<template>
    <div class="header">
        <h1>头部内容</h1>
    </div>
</template>
<script>
    export default {
        name:'header'
    }
</script>
<style lang="scss">
    .header {
        width:100%;
        height:100px;
        background:green;
        h1 {
            text-align: center;
            line-height:100px;
            margin:0;
        }
    }
</style>